Bottle opener



FIG. 1 is a front elevational view of a bottle opener showing my new design.

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines are included to show portions of the bottle opener that form no part of the claimed design. 

CLAIM The ornamental design for a bottle opener, as shown and described. 